Demaray was in U. S. government service for forty-eight years, with the U. S. Geological Survey from 1903-1917 and with the U. S. National Park Service from 1917 until his retirement as Director in 1951. He is credited for his pioneering efforts leading to the establishment of several national parks. Collection contains correspondence, diaries, photographs, articles, awards, medals and pins all related to Demaray's career. In addition there is material relating to his various trips including brochures and other travel literature, postcards, scrapbooks, and photographs.
Edward B. Danson, an anthropologist and professor, was adirector of the Museum of Northern Arizona, a trustee of Folklife Center at the Library of Congress, chairman of the Colorado Plateau Environmental Advisory Council, and a member of the Advisory Board of Southwestern Parks and Monuments Association. Collection includes minutes, notebooks and documents from the Advisory Board of National Parks, Historic Sites, Buildings and Monuments.
The Murie Family Papers consist predominately of the professional papers of three famous conservationists, Olaus Murie, Margaret Murie, and Adolph Murie. The collection contains reports, correspondence, memoranda, field notes and journals, publications, and an extensive collection of films. The materials relate to public land management wildlife conservation in Alaska, western Wyoming, and the desert Southwest.
Replogle began his career at Yellowstone National Park as a seasonal park ranger on horse patrol and later spent his time there as a ranger-naturalist. In addition to being known as a Yellowstone Park Ranger, Replogle was known as a naturalist, conservationist, student of American Indian history, writer, storyteller, artist, football coach, and photographer. His papers papers contain slides, photographs, correspondence, publications, and writings relating to Yellowstone National Park